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DWARF_FORMFLAG(3) FreeBSD Library Functions Manual DWARF_FORMFLAG(3)

dwarf_formflag
return the value of a BOOLEAN class attribute

DWARF Access Library (libdwarf, -ldwarf)

#include <libdwarf.h>

int
dwarf_formflag(Dwarf_Attribute attr, Dwarf_Bool *ret, Dwarf_Error *err);

Function dwarf_formflag() sets the location pointed to by argument ret to 1 if the attribute referenced by argument attr has a non-zero value, or 0 otherwise. The form of argument attr must be one of DW_FORM_flag or DW_FORM_flag_present.

If argument err is not NULL, it will be used to return an error descriptor in case of an error.

Function dwarf_formflag() returns DW_DLV_OK on success. In case of an error, it returns DW_DLV_ERROR and sets argument err.

Function dwarf_formflag() may fail with the following errors:
[]
Either of arguments attr or ret was NULL.
[]
The attribute referenced by argument attr was not of a permitted kind.

dwarf(3), dwarf_attr(3), dwarf_formblock(3), dwarf_formref(3), dwarf_formsdata(3), dwarf_formsig8(3), dwarf_formstring(3), dwarf_formudata(3), dwarf_hasattr(3)
June 21, 2010 FreeBSD 13.1-RELEASE

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